#04012D#04012D

#04012D is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 14.3% C 0.087 H 272.7°. Best body text is #FFFFFF at 20.05:1 contrast (WCAG AA passes).

Color values

HEX	#04012D
RGB	rgb(4, 1, 45)
HSL	hsl(244, 96%, 9%)
HSV	hsv(244, 98%, 18%)
CMYK	cmyk(91.1%, 97.8%, 0%, 82.4%)
CIE-LAB	lab(2.14, 12.67, -25.57)
CIE-LCH	lch(2.14, 28.53, 296.36°)
OKLab	oklab(14.35% 0.0041 -0.0872)
OKLCH	oklch(14.35% 0.087 272.7)
XYZ	xyz(0.5344, 0.2369, 2.4997)
Luminance	0.0024 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04012D #2A2D01

analogous

#01142D #04012D #1A012D

triadic

#04012D #2D0401 #012D04

tetradic

#04012D #2D0114 #2A2D01 #012D1A

square

#04012D #2D0114 #2A2D01 #012D1A

split-complementary

#04012D #2D1A01 #142D01

monochromatic

#03011E #03011E #04012D #090269 #0F04A5

Accessibility & contrast

On white

20.05

#04012D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#04012D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04012D

20.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04012D	#FFFFFF	#000000	##FFFFFF
##04012D	1.00	20.05	1.05	20.05
#FFFFFF	20.05	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	20.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000A2E

Deuteranopia (green-blind)

#00062C

Tritanopia (blue-blind)

#000D16

Achromatopsia (no color)

#080808

Design tokens & code

CSS

--color: #04012d;
/* rgb */ color: rgb(4, 1, 45);
/* oklch */ color: oklch(14.3% 0.087 272.7);

Tailwind

colors: {
  custom: {
    50: '#494766',
    500: '#04012d',
    950: '#000000',
  },
}

SCSS

$custom: #04012d;
$custom-light: #494766;
$custom-dark: #000000;

JSON

{
  "hex": "#04012d",
  "rgb": {
    "r": 4,
    "g": 1,
    "b": 45
  },
  "hsl": {
    "h": 244.091,
    "s": 95.652,
    "l": 9.02
  },
  "oklch": {
    "l": 0.14347,
    "c": 0.0873,
    "h": 272.7
  },
  "luminance": 0.00237
}

Semantic roles & 50–950 ramp

primary

#04012D

secondary

#6D7317

accent

#FF29F0

background

#F4F3F6

surface

#E7E5EB

border

#C3C1C6

text

#010006

muted

#77777A

Preview Lab

Preview with #04012D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →